Objects in block form are split into parts with the Explode command. Besides, some 3D objects; (library, ladder), dimension lines, elevations, labels, structural drawings become two-dimensional and become lines, arcs, circles, etc. turns into objects.
Location of the Explode Command
You can access the explode command under the Modify title of the ribbon menu Drawings tab .
Click the Explode icon in the ribbon menu .
Select an object (library, ladder, dimension line, etc.) that can be exploded.
When you click the right mouse button, line, arc, circle, etc. will turn into objects.
Selecting the object to be exploded
You can use the Make Block command to block the exploded objects.