placeholder

Plural: placeholders

Noun

• a person authorized to act for another
• a symbol in a logical or mathematical expression that can be replaced by the name of any member of specified set
• Something used or included temporarily or as a substitute for something that is not known or must remain generic; that which holds, denotes or reserves a place for something to come later.
• A non-editable caption initially displayed in a blank text box to indicate its function.

Examples

• This data is a placeholder, so you'll want to include the real numbers as soon as you have them.

Synonyms

procurator, proxy, thingy, whatshisname

Related Words

greek, greeking, lorem ipsum