B
BT- Broader term

C
C- Corporate Author
CDS/ISIS field identifiers
CO- Keywords from Conference

D
D- Descriptor
Descriptor
DT- Form of document

F
F- File assignment
Function button CLEAR
Function button EDIT ISIS
Function button Exact match word
Function button List
Function button SEARCH
Function button SORT
Function button UNDO
(F)

G
GE- Geographic Coverage
History function
KWOC - Keywords out of context
(G)
 

I
ISIS Search operator - AND
ISIS Search operator - field level and proximity search
ISIS Search operator - OR
ISIS Search term - Precise
ISIS Search term - Right truncated

L
L- Language

N
NT- Narrower term

R
RT- Related term

S
Simple search
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T
T- FAOBIB Accession
TI- Keywords from Title

Y
YY- Year