A traditional basic except lines are labeled and variables are multiletter not just letter+number
Each command verb will begin with a unique letter
A Ask input
B Branch gosub
C Close A file or the printer
D
E End
F
G Goto
H
I If
J
K
L Let (required in label basic - to allow for easy parsing of '='
M
N
O Open (a file or the printer which may only be opened for append)
P Print
Q
R
S
T
U
V
W Write (for files)
X
Y
Z