placeholder
nounUK /ˈpleɪsˌhəʊldə/
US /ˈpleɪsˌhoʊldər/
A placeholder is something you use for now until the real thing is ready.
She put a placeholder in the document until she found the right picture.
RELATED WORDS
OTHER MEANINGS
2. A symbol or text in a computer program that stands for information to be added later.
The form uses a placeholder for the user's name.
3. A person who holds a position or job until someone permanent is chosen.
He was just a placeholder until the new manager arrived.
4. A mark or object that holds a spot or place.
They left a placeholder on the table to save their seats.