I don't think a correction is necessary. Both parts of the sentence are already in the present tense. Plus, the use of "us" in the beginning of the sentence indicates a personal attachment.
It means to characterize into groups<span />
The denotative definition of a word is its literal meaning. This would be the meaning one would find in the dictionary.
By contrast, the connotative definition is the meaning associated with the word. It is the implied meaning of the word.
For example, the words in bold have the same denotation but different connotations:
-- a beautiful woman
-- a handsome woman
-- a pretty woman
While all these words mean the same thing, they do not have the same associations.
Answer:
it is a type of stock chart
Explanation: