What is the significance of #pragma marks? Why do we need #pragma marks?

Question

What is the purpose of #pragma marks in Xcode? Does their location in .m files matter? Should some #pragma come before all others?

Answer 1

#pragma mark - NSSecureCoding

The main purpose of "pragma" is for developer reference.

You can easily find a method/Function in a vast thousands of coding lines.

Xcode 11+:

Marker Line in Top

// MARK: - Properties

Marker Line in Top and Bottom

// MARK: - Properties - 

Marker Line only in bottom

// MARK: Properties -