capitalization

definition: the sale of capital stock
example:
speech part: noun
synonyms: capitalisation
definition: the act of capitalizing on an opportunity
example:
speech part: noun
synonyms: capitalisation
definition: an estimation of the value of a business
example:
speech part: noun
synonyms: capitalisation
definition: writing in capital letters
example:
speech part: noun
synonyms: capitalisation

How capitalization is being used?