# types

Touch Develop types.

### @parent language
 

A *type* refers to a class of data and the operations permitted on that data. The following types are supported by Touch Develop for the BBC micro:bit:

* **[String](/microbit/reference/types/string)**: a sequence of characters
* **[Number](/microbit/reference/types/number)**: an integer number (32-bit signed)
* **[Boolean](/microbit/reference/types/boolean)**: true or false
* **[Image](/microbit/reference/image/image)**: a collection of [micro:bit LED states](/microbit/device/screen) (on/off)
* *more types coming!!!*

### see also

[local variables](/microbit/reference/variables/var), [global variables](/microbit/js/data), [assignment operator](/microbit/reference/variables/assign)