Threaded and compression fittings look nearly identical, but they connect in different ways while functioning the same. You can explore differences here.
Flare versus Compression Fittings
The Difference Between Compression Stockings, Support Hose, and
Couplers, Hose Clamps and Fitting Selection - Boyd
Compression Fitting 101: Everything You Need to Know
A Complete Guide to Compression Fittings
What's the Difference Between a Weighted Vest and Compression Vest
What Are Compression Socks? Types, Benefits, More
Using and Choosing Plumbing Compression Fittings
/articles/shaft-couplings/shaf
A Complete Guide to Compression Fittings
Shaft Coupling: What Is It? How Is it Used? Types Of, Roles
Clothing Sensory Issues in Kids
2 Keys to Choosing the Right Quick Connect Air Fittings