SCSS is a preprocessor scripting language that extends the capabilities of CSS by adding features such as variables, nesting, and mixins. It allows developers to write more efficient and maintainable CSS code, and helps to streamline the development process by reducing repetition and increasing reusability.

A personal website is an online platform that showcases an individual's work, interests, and personality. It can include a range of content, such as a bio, resume, portfolio, blog, and contact information, and is often used to promote one's personal brand or professional services.

A portfolio website is a type of website that showcases an individual's or a company's work, skills, and accomplishments. It typically includes a gallery of images or videos, case studies, and client testimonials to provide potential clients or employers with a comprehensive overview of their experience and expertise.

A template or theme refers to a pre-designed layout or structure that provides a basic framework for building a specific type of application or website. It typically includes good design, placeholder content and functional features, allowing developers to customize and fill in the details according to their specific needs.

Gulp.js is an old but popular site building tool that automates various repetitive development tasks in web development, such as compiling Sass, minifying JavaScript, and optimizing images.