Laravel is an open source PHP MVC framework created by Taylor Otwell

API stands for application programming interface. It is a way for components to communicate, most commonly used for machine to machine communication.

A design pattern is a defined and reusable method of solving a particular problem in programming.

Authentication refers to act of identifying the user of a system.

Authorisation refers to the control of what an authenticated user can access.

Mulitenancy is a software architecture that allows a single instance of software to server multiple tenants as if each were a separate instance.

Software architecture refers to the structure of a piece of software and the way in which it is created.

Validation is the validating of data, typically user submitted data, by comparing it to set of rules.

A freelancer is someone that is self-employed and is often not committed to a particular employer for a long-term.

A database is an organized collection of data, generally stored and accessed electronically from a computer system. Unless otherwise specified, I will typically be referring to MySQL/MariaDB.

ORM stands for Object-relational mapping and is a technique for converting data between systems in object-oriented programming languages.

Eloquent is the ORM (Object-relational mapping) that comes with Laravel. It uses the ActiveRecord pattern.

A repository is an abstraction of the interaction with a data source, and/or the persistence layer. The idea is that your database interactions are sufficiently abstracted as to be easily modified and swapped out with little to no overhead.

A framework is an abstraction that provides both basic and generic functionality so that developers may build ontop of it, without having to write all of the boilerplate code each time.

Routing refers to the process of define endpoints and dispatching, or routing, requests to your application's code.