window
In most cases, 'window' is used as a countable noun. You can have one window or many windows. When talking about computers, 'window' refers to the visual frame of an application. This usage is very common in technical and everyday speech. When referring to time (a 'time window'), it describes a specific gap where something must happen. It is often used in business or science contexts.
💬Casual Conversation
The contractor's window for the kitchen install just slid to Friday.
Typical. We need to pivot our strategy on this one.
Meanings
An opening in a wall or door of a building or vehicle, typically fitted with glass to admit light and air.
"She looked out the window to see if it was raining."
A rectangular area on a computer screen that displays the contents of a specific program or file.
"You can resize the browser window by dragging the corner."
A period of time during which an opportunity exists or a particular action can be taken.
"The launch window for the satellite is only open for two hours."
To provide a building or vehicle with windows.
"The contractor will window the new office space next week."