indentation vs change of shape

indentation and change of shape both are nouns.

Word	Noun	Adjective	Verb	Adverb
indentation	Yes	No	No	No
change of shape	Yes	No	No	No

As nouns, change of shape is a hypernym of indentation; that is, change of shape is a word with a broader meaning than indentation:

indentation: the act of cutting into an edge with toothlike notches or angular incisions
change of shape: an action that changes the shape of something

indentation (noun)	change of shape (noun)
the act of cutting into an edge with toothlike notches or angular incisions	an action that changes the shape of something
the space left between the margin and the start of an indented line
the formation of small pits in a surface as a consequence of corrosion
a concave cut into a surface or edge (as in a coastline)