Plz help me to find out tables and fields........based on SD,PM,FICO Module

Question

Hi plz help me to find out the table name and field names as i am unable to find .....In the spec am given requirements in the following pattern.
Description          SAP-Term                                       Explaination
1.Salesman        Equipment AC Mgr.                          VBPA2 – this is the salesman code - I need the                                                                               
description for this.
2.Vendor              MEPO_TOPLINE-SUPERFIELD     Vendor field is pull from me23n where the                                                                               
condition will be that COBL-KDAUF (this is a
                                                                                structure from me23n in item data-account
                                                                                assignment-sales order. The number here should
                                                                                be the corresponding contract number. This field
                                                                                should include a multiple selection function. User                                                                               
can put more than one description to search for.
3. Val. Period   Val. Period Category                           Val. Period Category from va41 header-contract
    Category                                                               data. This field should include a multiple selection                                                                               
function. User can put more than one description                                                                               
to search for.
4. Service Order/    CAUFVD-GSTRP/                         This should be the document date where by it is in
    Purchase Order      MEPO_TOPLINE-BEDAT          between the range the user input
    Document Date    
5. B2B Vendor      MEPO_TOPLINE-SUPERFIELD     Vendor field is pull from me23n where the condition                                                                               
will be that COBL-KDAUF (this is a structure from
                                                                                me23n in item data-account assignment-sales                                                                               
order. The number here should be the                                                                               
corresponding contract number.
6. B2B Cost         MEPO1211-NETPR                       This cost is pulled from PO (me23n) however take
                                                                                note that the price will be pulled out base on line                                                                               
item Net Price. Make sure that price is taken                                                                               
corresponding only to the equipment tied to it.                                                                               
Check on Number 7 to see how is the line item tied                                                                               
to the equipment.                                                                               
If this is in other currency please make it to SGD                                                                               
with the exchange rate field Exchange rate                                                                               
(MEPO1226-WKURS)
                                                                              NOTE:: I need to know the table from which I can                                                                               
determine the currency type as can be seen in the                                                                               
ME23N transaction and also te exchange rate for                                                                               
that particular currency.
7. No of faults                                                          The service order (CAUFVD-AUFNR) created base                                                                               
on the equipment in Number 8. This should exclude                                                                               
the service order of type RD08. Service order can be                                                                               
access by IW33.
8. Faults Completed                                                This would be the number of faults (Number 13)                                                                               
which has a system status (CAUFVD-STTXT) of                                                                               
TECO. System status can be viewed in IW33 Sys.                                                                               
Status. Take note service order type RD08 will be                                                                               
excluded
9. Time Spent on Fault   AFVGD-ISMNW                   This field is in IW41 in confirmation base on the                                                                               
order created. This field will be the actual time                                                                               
spent. This will correspond to the Faults                                                                               
Completed (Number 14). This means only orders                                                                               
with system status TECO will be pull. Take not                                                                               
service order type RD08 will be excluded
10. Fault Cost         RIHAUFK_LIST- DGESKOSIST   This will be the total cost for a service order which                                                                               
have the status TECO. Those which are not TECO                                                                               
will not be needed. This field can be obtain from                                                                               
IW39 (standard report). Execute the report and                                                                               
there will be a field for Total Actual Cost. You might                                                                               
need to change the screen layout to be able to view                                                                               
this. Take note service order type RD08 will be                                                                               
excluded
11. PM Hours      AFVGD-ISMNW                            This field is in IW41 in confirmation base on the
                                                                             order created. This field will be the actual time
                                                                             spent. This will correspond to the Faults Completed
                                                                             This means only orders with system
                                                                             status TECO will be pull. Take note service only
                                                                             take order type RD08.
12. Spare Cost   Spare part cost                              This field will be in IW33 under cost tab, and cost
                         PMCOEA-IKOSTENKGR                tab in item level. This will be the actual cost of spare
                                                                             part after TECO. This will include all order type.
13. Credit Note   Credit Memo                                 The programs need to pull out credit memo which is
                                                                             reference from the contract. If there is a credit memo
                                                                             reference from the contract then the value will be net
                                                                             price per equipment.

Answer 1

Can u tell me purpose of this spec ?
Regards,
pandu.