Tailoring aims to create a garment that fits perfectly and is uniquely crafted for the individual. Altering: Alterations, on the other hand, involve making adjustments to existing clothing to improve the fit or modify the style.

Clothing alterations are time-consuming tasks that require meticulous attention to detail. Each garment is unique in its measurements, fabric composition, and construction. The tailor or seamstress must carefully analyse the garment, determine the required alterations and execute them flawlessly.

If you want to get something altered then it could be going to a (clothing) alterations shop, tailor's, or seamstress.

The job of a tailor requires creating custom-fit garments. They follow clients' recommendations to alterations and recreate the garment to meet their expectations. In order to recreate, tailors mark garments to note the places where alterations are necessary. They may remove or add stitches to complete alterations.