The concept of million: The concept of one million is deciphered as the number that can also be regarded as one thousand thousand which is the occurrence of a natural number and which happens to be occurring after the number 999,999 and happens to proceed the number 1,000,001. The word million is derived from the Italian word milione or mille, which means thousand, added with the augmentative suffix-one. The very common abbreviation of the term is regarded as m or M, and sometimes even regarded as MM. However, it should not be regarded as or confused with the notations for the Roman numeral number, or the index for the measurements. The measurement of the amount of information, length, fingers, area, volume, mass, weight, landscape, money, time and numerous others can be contemplated with the use of Million.

The concept of billion: Billion, on the other hand is the concept that is utilized for the understanding of the one thousandth million that would be the 10⁹ or the ten to the ninth power as per its definition responded in the short scale. The meaning of the term is valid for both the forms of English, that is British and American. However, there is another definition for the number billion as well, as per the long scale definition. This has been provided as the term described by one million million, where, the term can also be represented as 10¹² or the ten to the twelfth power. The definition in long scale is described as one thousandth time larger than that of the short scale size, which would be equivalent to the short scale trillion. This definition of the term billion is known as the definition as per British English.

The concept of trillion: The word trillion also has two distinct definitions. In one hand, trillion is described as understanding of the number as 1,000,000,000,000, or one million million that would be the 10¹² or the ten to the twelfth power as per its definition responded in the short scale. This definition is both in the term for British English and American English. On the other hand, the occurrence of the number trillion is described as 1,000,000,000,000,000,000, i.e. 10¹⁸ or ten to the eighteenth power, as defined on the long scale. The definition of the long scale is described as the concept of trillion that is described in the British English. Furthermore, it is also described as to be used in various other non-English speaking countries as well.

What comes after a million, billion and trillion? The concept about million, billion and trillion is only considered in the short form of the definition, where million is about 10⁶ or ten to the sixth power, billion is regarded as 10⁹ or the ten to the ninth power and the term trillion is regarded as 10¹² or the ten to the twelfth power. In this form, the term that happens to occur at the next stage would be the term “Quadrillion”, which is equal to 10¹⁵ or the ten to the fifteenth power.