Those are consecutive letters in the English alphabet, starting with the letter 'k' and ending with the letter 'n'.
In English, yes. And presumably in most other languages as well.
The Phoenicians invented a phonetic alphabet, in which a letter symbolizes a sound, and those sounds can be put together to make words. Other writing systems were in the form of ideograms, in which symbols stand for ideas rather than sounds. The phonetic alphabet has proved to be tremendously more useful.
Hebrew doesn't have those letters in its alphabet. In fact, there is no equivalent for the letter J at all, except in Modern Hebrew. Furthermore, there are no vowels in the Hebrew alphabet.
An eight letter word with three vowels using those letters is scavenge.Eight letter words with four vowels using those letters are agencies and envisage.
"Mike Romeo" is NATO phonetic alphabet for the letters 'MR." What those letters might stand for would depend on the context.
There isn't an alphabet with origins from all three of those languages.
Such a symbol is called a "variable". It can be a letter, a group of letters (especially in computer programming), or a letter with a subscript (a lowered number, or some other letter - this is more common in math). The letters need not be from the Latin alphabet; Greek letters, or sometimes Hebrew letters, are also used.
The letter before X in the alphabet is W. In the English alphabet, there are 26 letters, with X being the 24th letter. Therefore, the letter that precedes X is W, which is the 23rd letter in the alphabet.
Independent executive agencies are agencies under the executive branch that lie outside the jurisdiction of the cabinet departments. The independent executive agencies, in the federal system, are those agencies set up by the President of the United States. In the state systems, they are those set up by the Governors of the states. In both the state and federal systems, these agencies often have more power than agencies set up by statute.
Those who speak Syriac (Surit) just say "qawa". Starting letter is "qop" (19th letter of the alphabet). The word is similar to Arabic "gahwa" but pronunciation is not the same.
Letters of the significant alphabet. Each letter meaning a different meaning. No man has every known those reasons. Maybe someday someone will. Until then... Letters mean everything.