Grammar
Style guide 
ampersands (&)
Reader's query: When do you use an ampersand (&)?
Online grammar answer: You can use ampersands in titles, signage and website buttons where space is limited or the ampersand is part of an organisation's branding.
Australian Competition & Consumer Commission (ACCC)
Use 'and', not ampersands, in text.
The man and his dog walked along the promenade.
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Other punctuation grammar tips include:
apostrophes
colons
ellipses
em and en rules
hyphens