1in·set 
/ˈɪnˌsɛt/ noun
plural in·sets /ˈɪnˌsɛt/ noun [count] 1 : a small map or picture that is shown on or next to a larger map or picture in order to show more detail 2 : a piece of something that is added to something larger often for decoration
▪ The floor is decorated with an inset of marble tiles. ▪ velvet dresses with silk insets
▪ The floor is decorated with an inset of marble tiles. ▪ velvet dresses with silk insets
