Final answer:
The music term describing the depth resulting from simultaneous events is 'Texture', which defines the complexity or richness of a musical piece, unlike 'Timbre' that refers to the tone quality or color of sound.
Step-by-step explanation:
The depth resulting from simultaneous events in music is described by the term Texture.
Texture in music refers to how the melodic, rhythmic, and harmonic materials are combined in a composition, thus determining the overall quality of the sound in a piece. The term texture is used to describe the complexity or richness of the musical fabric. Timbre, although closely related to the character of sound, is actually a term which refers to the tone quality or color of a musical note, voice, or sound. It is the attribute that makes it possible to distinguish different sounds when the pitch and volume are the same. Aspects like frequency, amplitude, and timing of sound waves play significant roles in defining a sound's timbre.
Using the wrong term can lead to confusion in understanding music theory; hence, it's important to correctly identify texture as the term that represents the depth resulting from simultaneous events in music. Other terms such as dynamics, which refers to the loudness or softness of music, and harmony, which denotes the combination of simultaneously sounded musical notes to produce chords, also play vital roles but do not describe musical depth as texture does.