insert
US /ɪnˈsɝːt/
UK /ɪnˈsɝːt/

1.
2.
add (a passage or page) to a text or document
:
•
She decided to insert a new paragraph into her essay.
•
The editor asked me to insert a few more details.
1.
an advertisement or other item inserted in a newspaper, magazine, or book
:
•
The newspaper included a special insert with coupons.
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The magazine had a glossy insert featuring new fashion trends.