From entry wireframe in glossary Human Computer Interaction the Basics
A wireframe is a sketch-like representation of screens and sometimes also their interconnections. They often used during UX design to communicate ideas or as a form of low-fidelity prototype.
Used in Chap. 6: page 88
Links:
figma.com: Figma: What is wireframing?- canva.com: Canva: Free Online Wireframe Tool