A Label displays a piece of text, which is specified through the Text property. Other properties, all of which can be set in the Designer or Blocks Editor, control the appearance and placement of the text.
Other properties affect the appearance of the text box (TextAlignment, BackgroundColor, etc.) and whether it can be used (Enabled).
Text boxes are usually used with the Button component, with the user clicking on the button when text entry is complete.
If the text entered by the user should not be displayed, use PasswordTextBox instead.