which function is use for display usermeta information ?

What does the 'RPC' in name 'XML-RPC' stand for? ('XML-RPC' is used by WordPress to connect to external resources such as a mobile WordPress application)

You can create a custom post type:

WordPress stores your uploads by default following which folder structure?

What is used to get values from custom fields

NONCE is a number used ONCE to verify an action. Because it cannot be used again, it provides some security.

The action hook to save post meta on is called:

When constructing a URL with query parameters (?test=1, for example), what is the correct expression to add the query parameters to the URL?

Which protocol is used in WordPress to represent human relationships through hyperlinks?

Default WordPress automatically saves the state of your post every 60 seconds while you work on a post. How do you change this default time interval?

Which WordPress function returns difference between two timestamps in a human readable format ('1 day', '10 mins'...)?