An excel cell is a single container that holds information in a spreadsheet.
Excel cells can be made to hold data, formulas, and formatting instructions. Cells can be used to represent any tangible or intangible entity on which data can be collected and computed.
JSON is a lightweight, language-independent data interchange format. It was designed for transmitting data over HTTP, but it can be used to transmit data over other protocols as well. Data formatted in JSON format is less bulky than XML and often easier for humans to read.