texture

The term "texture" in music refers to how different sounds interact within a piece. This can range from a single melody line (monophonic) to multiple independent melodies (polyphonic). A dense texture with many layers can create complexity, while a simpler texture might sound clearer.1

In acoustics, "texture" describes the time interval between the arrival of direct sound and the first few reverberations. For good texture, these initial reflections should reach the listener within about 60 milliseconds of the direct sound, with no unusually large late reflections.2

Timbre, on the other hand, is the unique quality or "color" of a sound that distinguishes one instrument or voice from another. It depends on the sound wave's form, including the number, frequencies, and intensities of overtones.31