UX stands for User Experience. It is all about understanding the user interaction with the features of an app.  UX app design aims at turning users into customers by offering a magnificent visual journey.
UI on the other hand stands for User Interface. It deals with the entire synchronization of the app elements, determining how each will align on the page in relation to one another thereby providing an outlook into the actual presentation of the application. The elements include icons, colors, buttons, fonts etc. UI design facilitates the best possible interaction.

UI/UX designers carry on with the research, collection, evaluation of user requirements keeping the development of the product in concern. They are responsible for providing an exceptional experience to the users along with delivering a spectacular application design.
A Product designer is one who is in charge of everything- be it coding, UI, UX, or project management. They are also responsible for figuring out appropriate solutions to the probable problems.

UX deliverables are the output generated at the end of the design process which helps designers communicate with stakeholders, key executives and team members.
The timeless list of UX deliverables involves user persona, empathy maps, paper sketches, wireframes, clickable prototypes and more.

A programmer is one who writes computer software applications or programs by giving necessary programming codes to the machine.
UI/UX designers on the other hand are in charge of the research, investigation, collection and evaluation of the user perspective in order to develop the application accordingly.

User Interface Designing is all about enhancing the user’s experience by strengthening the app’s interface. It involves the selection of the right interface elements like buttons, icons, fonts and the like. The emphasis should be on the visual aspect of the app, generating an outcome that would entice maximum users.