capitalisation

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

How capitalisation is being used?