A semicolons NEVER should be used to try to create a "pause" longer than that achieved by a comma. If you can use a period correctly, then you can use a semicolon correctly. A semicolon is used just like a period, but it is used to separate two complete sentences when the sentences are closely related in meaning.
Adds info and further explains… that’s the one mate
I'm pretty sure it's B. stage directions. they don't use cue cards in a script.. book jackets are for books & glossaries are at the end of books