What is the meaning of Ef?

The name of the Latin-script letter F/f.

Pronunciation spelling of if, representing dialectal English.

The name of the Latin-script letter F/f.

if

The name of the Latin-script letter F/f.

The name of the letter F.

The Latvian name of the Latin script letter F/f.

The name of the Latin-script letter f/F.

The name of the Latin-script letter F/f.

bee

if

doubt

if, when

The name of the Latin-script letter F/f.

the name of the Latin-script letter F/f, in the Filipino alphabet

he; him

Source: wiktionary.org