electrical - Light fixture box has 3 sets of wires and I'm confused - Home Improvement Stack Exchange

I took out a light fixture in the basement with the intent of installing a new one which ive done before and I come across 3 sets of wires (3 black, 3 white, and 3 ground wires) i didn’t take a pic

Add to an Existing Three-Way Circuit - Fine Homebuilding

electrical - 12/3 cable coming from box, is this correct? - Home Improvement Stack Exchange

My bathroom has one outlet with a single place to plug something in, which isn't enough. Is it safe or possible to add a multi-plug or power strip so I have more

electrical - Light box with one black, a two-black-one-red bundle, and a three-white bundle connecting to fixture with one black and one white - Home Improvement Stack Exchange

wiring - Trying to set up a new light fixture and confused by wire situation! - Home Improvement Stack Exchange

electrical - Replacing light fixture, current box has too many wires for new fixture - Home Improvement Stack Exchange

wiring - I am trying to install a new light in an existing three wire ceiling box with an already installed switch, but can't get it to work right - Home Improvement

electrical - Replacing wall switch - box has 3 sets of wires (3 black, 3 red, 3 white, 3 copper) - Home Improvement Stack Exchange

electrical - 3 way switch confusion - Home Improvement Stack Exchange