E for Elephant

E

/iː/ noun: E; plural noun: E's or Es

There are different Usages of the letter E.

1. the fifth letter of the English alphabet

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

This letter denotes the fifth in a set of items, categories, sizes, etc. It also denotes the fifth highest class of academic mark. It also depicts the lowest socio-economic category for marketing purposes. E = second Vowel.

2. Music & Chess

In Music it denotes the third note of the diatonic scale of C major. And, in Chess, it denotes the fifth file from the left, as viewed from White's side of the board.

3. Abbreviations 

It is used to denote East Direction. E = Electronic as in E-Cash or E-Mail. Besides, E letter of English Alphabet is used in Spain as International Vehicle Registration.

4. Science

In Science, E = Electric Field Strength; E = Electromotive Force; E = Energy.

5. Phrase

three E's = Economy, Efficiency and Effectiveness.

The most Common Noun which is used to learn this letter at the Nursery level is Elephant; E for Elephant.