internaldesign

noun
UK /ɪnˈtɜːnəl dɪˈzaɪn/
US /ɪnˈtɜːrnəl dɪˈzaɪn/

The inside plan of how something is built or arranged.

The internal design of the toy robot shows where all the wires and gears go.


OTHER MEANINGS

2. The way the parts inside a machine or building fit together.

Engineers studied the internal design of the engine to make it quieter.

3. The hidden organization of a computer program or system.

The internal design of the app keeps your data safe.

4. The planning of rooms and spaces inside a building.

The internal design of the library includes a cozy reading corner.