% [logo] [width] [. Accuracy ][{ h | L | I64 | L }] type

This is a pattern for formatting strings.

Where flags refers to symbols and leading zeros or spaces.

Width is the output width.

Accuracy is accuracy.

{h | l | I64 | L} is an optional dropout type.

Type is an output type identifier, such as d, i, o, x, c, s, etc.