Adobe Illustrator is a vector graphics editor developed and marketed by Adobe Systems. wikipedia.org

A T-shirt is a style of shirt. A T-shirt is buttonless and collarless, usually with short sleeves and frequently a round neck line. T-shirts can be decorated with text and/or pictures, and they are often used to advertise, promoting products, companies, films and websites.

Vector graphics is the use of polygons to represent images in computer graphics. wikipedia.org

Graphic design is a creative process - most often involving a client and a designer and usually completed in conjunction with producers of form (i.e., printers, signmakers, etc.) _ undertaken in order to convey a specific message (or messages) to a targeted audience. wikipedia.org

"A clipping path (or "deep etch"[1]) is a closed vector path, or shape, used to cut out a 2D image in image editing software. Anything inside the path will be included after the clipping path is applied; anything outside the path will be omitted from the output. Applying the clipping path results in a hard (aliased) or soft (anti-aliased) edge, depending on the image editor's capabilities." wikipedia.org

Vectorworks is a computer-aided design (CAD) and Building Information Modeling (BIM) software program developed by Nemetschek Vectorworks that is used for drafting, technical drawing and 3D modeling. wikipedia.org