Question

Symbols should (answer) after they are introduced
They should be applied to (answer)
Used too much, they will be very (answer) and (answer)

Questions about the usage of symbolism

Answer 1

Explanation:

a mark or character used as a conventional representation of an object, function, or process, e.g. the letter or letters standing for a chemical element or a character in musical notation.

"the symbol r in Figure 5 represents a gene which is ineffective"...........................................