Question

write about simple bracket key

Answer 1

TypesofTaxonomicKeys Simple Non-bracket key The couplets are composed of alternatives for ready comparison.

Answer 2

A bracket is a tall punctuation mark commonly used in matched pairs within text, to set apart or interject other text. The matched pair is best described as openingand closing.[1] Less formally, in a left-to-right context, it may be described as left and right, and in a right-to-left context, as right and left.