What technique is used for marking the outer perimeter of a haircut to make it look complete?

The technique used for marking the outer perimeter of a haircut to create a finished look is outlining. This method involves defining the edges and shapes of the haircut, providing a clean and polished appearance. Outlining can help establish the intended style by creating sharp lines or soft edges, depending on the desired outcome.

In practical terms, outlining is especially important for styles that rely on distinct boundaries, such as fades or sharp undercuts, as it enhances the overall aesthetic of the haircut. By focusing on the outer edges, outlining ensures that the haircut has a cohesive and complete look, effectively framing the face and highlighting the customer's features.

Layering, on the other hand, is used to remove bulk or add movement within the haircut, while point cutting involves cutting the ends of the hair vertically to create a softer edge, thus not directly contributing to defining the perimeter. Texturizing serves to blend hair sections and create dimension but does not focus on marking the outer boundary of the style. Thus, while each of these techniques has its own purpose, outlining is the correct answer for achieving a complete and defined outer perimeter in a haircut.