refresh

Short definition from Wiktionary

Verb

1. 1
   To renew or revitalize.
2. 2
   To become fresh again; to be revitalized.
3. 3
   To reload (a document, especially a webpage) and show any new changes.
4. 4
   To cause (a web browser or similar software) to refresh its display.
5. 5
   To perform the periodic energizing required to maintain the contents of computer memory, the display luminance of a computer screen, etc.
6. 6
   To take refreshment; to eat or drink.

Noun

1. 1
   The periodic energizing required to maintain the contents of computer memory, the display luminance of a computer screen, etc.
2. 2
   The update of a display (in a web browser or similar software) to show the latest version of the data.
3. 3
   The process of modernizing something.