Question

What is the meaning of #​

Answer 1

Answer:

expressing the relationship between a part and a whole.

Answer 2

Answer:

Hashtag is popularly used in many social media platforms to tag a specific meaning or identify the subject or used to denote the message to a popular tag that has been used by many other people.

It is used before unbroken words and sometimes words which are separated by '_'

For Example: #BlackLivesMatter #OurBoyEd #GoGreen #OOTD and many more.

It is famously used in Twitter. It is also used in YouTube, Instagram and Facebook too.

$hope \: it \: helps$