Define the following terms.a variation of an idiom

Define the following terms.a variation of an idiom

WHEN IDIOMS ARE USED IN ACTUAL CONTEXT, THEY DO EXPERIENCE GRAMMATICAL CHANGES SUCH AS DIFFERENT FORMS OF VERBS, AGREEMENT OF PERSONAL PRONOUNS AND NUMBERS AND SO ON. THE VARIATIONS IN CONSTITUENTS OF IDIOMS MAY BE REALIZED BY ADDITION, DELETION, REPLACEMENT, POSITION-SHIFTING, DISMEMBERING, ETC.