I’ve come to know these table names by heart (by using them over the last 13 years) –  and (still) frequently use them in sentences..

This is more for me to remember.

Informix > Sage Line 500 name:

bmhstm > BOM History
bmwodm > BOM Detail
bmwohm > BOM Header
cbbankm > Cash Bank file
cbbatchm > Cash Batches file
cbtranm > Cash Transactions file
ceaddrm > Customer (shipper_code1) Addresses
cecaldrm > (Financial) Calendar
cenatypem > Narrative Types
cevatregm > VAT Register
nlaccm > Nominal Account File
nlmastm > Nominal Master File
nltranm > Nominal (GL) Transactions
opaudm > Sales Order Audit File
opcosm > Cost Of Sales Matrix
opdetm > Sales Order Detail
opheadm > Sales Order Header
oplastprm > Sales Order Last Price
oplistm > (Sales Order) Price Lists
opsahistm > Sales History Transactions
opservm > Sales Order Services
plitemm > Purchase Ledger Items
plpaym > AP Payments
plsuppm > AP Suppliers (Creditors)
podetm > Purchase Order Detail
poheadm > Purchase Order Header
porecp2m > Purchase Order Receipts
porecpm > Purchase Order Receipts
slbankm > Customers (Debtors) Bank
slcashm > Customers (Debtors) Cash
slcustm > Customers (Debtors) Master File
slitemm > Customers (Debtors) Transactions
stallocm > Stock Allocation (to Sales Orders)
stkhstm > Stock Transactions
stkwhm > Stock Warehouse Master File
stockm > Stock Master File
stquem > Stock Batches
sysdirm > System Keys

Let me know if you need to write a report on these.