Product Backlog List of things that needs to be done to make the product come into existence 

Sprint Backlog List of things that needs to be done in the current Sprint, which includes selected Product Backlog items 

Potential Shippable Product Increment A Potentially Shippable Product is the sum of the Product Backlog Items delivered each Sprint. Delivering Potentially Shippable Product each Sprint is fundamental to the Scrum because when work is divided into simple pieces it can be finished in a short iterations.

Product Owner Product Owner is the one person ultimately responsible for the return on investment (ROI) of the product development effort. The Product Owner influences the development effort by conveying his vision to the team(s) and prioritizing the Product Backlog.

Scrum Master A scrum master is the facilitator for an agile development team. Scrum is a methodology that allows a team to self-organize and make changes quickly, in accordance with agile principles. The scrum master manages the process for how information is exchanged.

Development Team A self-organizing, cross-functional team of people who collectively are responsible for all of the work necessary to produce working, validated assets. One of the three roles that constitute every Scrum team. Such as  cross-functional team, product owner, ScrumMaster, Scrum team.

Product Backlog Refinement Product backlog refinement is the process through which product backlog items are reviewed by the Scrum team and revised, providing more detail and ensuring that there is greater clarity in the requirements for that item

Work In Progress Work Under Progress

Daily Scrum Daily Scrum Meeting. In Scrum, on each day of a sprint, the team holds a daily scrum meeting called the "daily scrum.” Meetings are typically held in the same location and at the same time each day. Ideally, a daily scrum meeting is held in the morning, as it helps set the context for the coming day's work.

Sprint Planning Sprint planning is a collaborative effort involving a Scrum Master, who facilitates the meeting, a Product Owner, who clarifies the details of the product backlog items and their respective acceptance criteria, and the Entire Agile Team, who define the work and effort necessary to meet their sprint commitment.

Sprint Review In Scrum, each sprint is required to deliver a potentially shippable product increment. This means that at the end of each sprint, the team has produced a coded, tested and usable piece of software. ... During the sprint review, the project is assessed against the sprint goal determined during the sprint planning meeting.

Sprint Retrospective The sprint retrospective is a meeting facilitated by the Scrum Master at which the team discusses the just-concluded sprint and determines what could be changed that might make the next sprint more productive