What is a hashtag or tag:
A hashtag is a metadata tag that is prefaced by the hash symbol, #
are words or multi-word phrases that categorize content. In this context, is a way of categorising an image by tagging with phrases?
To create a tag, start the tag with a hash character add a word or phrase followed by a space.
Simple rules:
No spaces
No punctuation
No special characters
Capitalization only matters for readability.
An example would be:
#KnowWhatIMean? #DontYou
There can be as many tags as you like
Hashtags is an easy to find relevant images by searching specific hashtags.