That boring frame on your screen is often not a gear problem at all. It is a perspective problem measured in centimeters. Move the camera slightly and you change the exact projection of three dimensional space onto a two dimensional sensor, which means lines tilt differently, faces relate differently to backgrounds, and the entire spatial hierarchy inside the frame is rewritten.
The bold claim many professionals make is simple: depth is not added in software, it is earned on your feet. Shift a few centimeters and parallax kicks in; foreground objects slide against the background, altering relative size and overlap, two of the strongest depth cues studied in visual perception research. That tiny move can separate a subject from a cluttered wall, align a leading line with an eye, or place a highlight exactly on a cheekbone.
Cinematic images, at their core, are just disciplined control of these physical relationships. Change position and you also change the angle of incidence of light, so specular highlights, shadow falloff, and contrast ratios all shift without touching exposure settings. A small vertical move can lift a horizon above a head, compress floor and ceiling into strong geometric bands, and suddenly the same scene feels intentional, authored, almost expensive.