A model can be run from within ModelBuilder or turned into a model tool which can be run from its tool dialog.
ArcGIS Pro Model Builder ArcGIS Mastery Course
A quick tour of creating tools with ModelBuilder—ArcMap
What is ModelBuilder?—ArcMap
ArcGIS Pro Model Builder ArcGIS Mastery Course
Model Builder for Select and Buffer in ArcGIS, Angad Lamichhane
Working with Model Builder
ArcGIS modelbuilder tutorial - part 01
A quick tour of creating tools with ModelBuilder—ArcMap
Tutorial: Executing tools in ModelBuilder—ArcMap
ArcGIS Model Tool2: Using Model Only Tools in ArcGIS Model Builder
How to Use ModelBuilder in ArcGIS to Automate Geoprocessing
Tutorial: Creating tools with ModelBuilder—ArcMap
Running a model within ModelBuilder—ArcMap
ArcGIS tutorial 2: the ModelBuilder - Digital Geography
Tutorial: Executing tools in ModelBuilder—ArcMap