GetNameTable - APL wiki

Naming Conventions
	Scalar	Vector	Matrix	Any rank	Non- scalar
Boolean	`BS`	`BV`	`BM`	`BA`	`BN`
Integer	`IS`	`IV`	`IM`	`IA`	`IN`
Float	`FS`	`FV`	`FM`	`FA`	`FN`
Numeric	`NS`	`NV`	`NM`	`NA`	`NN`
Character	`CS`	`CV`	`CM`	`CA`	`CN`
Enclosed vector	`ES`	`EV`	`EM`	`EA`	`EN`
enclosed Text vector	`TS`	`TV`	`TM`	`TA`	`TN`
Simple	`SS`	`SV`	`SM`	`SA`	`SN`
Any	`AS`	`AV`	`AM`	`AA`	`AN`
phrase e.g.: `.X...Y. ⍝ X←BS; Y←IV`
combinations: use `ISV` for Integer scalar`∨`vector
`B3`, `I4` &c. to specify higher ranks.