Typically in most games you will want to communicate some information to your players through your game's User Interface.
This can range from things like Main Menus, in-game Pause Menus, Health or Experience, Inventory Items, or help text to instruct players what to do in a given situation.
With Unreal Motion Graphics (UMG), you can create a Widget Blueprint to handle the display of UI elements in your project.
The Widget Blueprint uses Blueprints Visual Scripting to design the layout as well as script functionality for the UI element such as what happens when a button is clicked or if a value changes, etc.
In this how-to we will create a Widget Blueprint, add some Text to it, then through the Level Blueprint display it when a key is pressed.