Q:
 What is the generally used Crossword terminology / Vocabulary?

A:
Acrostic: A puzzle where you fill a square grid with words reading the same down as across. Alphabetical jigsaw: A crossword with exactly 26 answers, each one starting with a different letter of the alphabet.Afrit's injunction: An art of Cryptic Clue writing: "You need not mean what you say, but you must say what you mean". Anagram: A word or phrase spelled by rearranging the letters of another word or phrase. Answer: Solution to a Clue. Bar: A thick line separating the Lights in a barred grid. Barred grid: A grid in which the Lights are separated by Bars. Block: A Cell in a Grid usually colored black or gray.Blocked grid: A Grid in which Lights in the same direction are separated by Blocks.Carte blanche: The British equivalent of a diagramless puzzle. Cell: A single square in a Grid, that can fit only one chracter. Charade: A game in which the answer is split into two or more parts indicated separately. Cheater: An extra block added to a fully checked grid to shorten answers without increasing the word count. Clue: A description or hint (not necessarily a definition) that the solver uses to find the answer.Compiler: A creator of a crossword puzzle. Container: A type of wordplay used in Cryptic Clues in which the answer is formed from one word contained inside another. Crossword: A puzzle in which words corresponding to numbered clues are to be found and written in to squares in the puzzle. Crosswordese: Words that are typcially found only in crossword puzzle answers.Cruciverbalism: Crossword study or general wordsmithism. Cryptic clue: Clue having a secret or hidden meaning. Definition: In a conventional crossword, the definition forms the whole Clue. Diagram: An alternative term for a crossword Grid.Diagramless: A crossword where only the dimensions of the grid are shown and the solver must work out where the lights occur.Enumeration: The number(s) that you see at the end of each clue indicating the length of the answer. Fully checked: A grid in which there are no unchecked cells. Gimmick: A device used in a Thematic Cryptic Crossword involving unconventional clue types. Grid: A rectangular arrangement of squares into which the crossword answers are entered. Hole: An unused square in a grid that is left empty rather than being shown as a block. Homophone: Two words are homophones if they are pronounced the same way. Isogram: A word or phrase in which each letter occurs the same number of times. Jumbo: A puzzle with a large grid and many more clues than usual. Light: A horizontal or vertical series of white squares in a grid, representing one answer.Palindrome: A word or phrase that reads the same backward as forward. Pangrammatic: A grid containing every letter of the alphabet at least once. Preamble: Explanatory text preceding the clues in a Thematic Cryptic Crossword. Pseudonym: The fictitious name of the Compiler of a crossword. Rubric: An alternative term for preamble. Setter: An alternative term for Compiler.Square: An alternative term for Cell. Surface reading: The superficial meanings of the words in a Cryptic Clue, when it is read as a normal sentence. Symmetry: Exact correspondence of design on opposite sides of a grid. Tautonym: Any word or phrase whose second half repeats the first; like bye-bye. Thematic: Crossword relating to or constituting a topic of discourse. Theme: The overall subject matter reflected by the clues of a crossword. Unch: An unchecked letter. Word square: A square fully checked grid containing no blocks. Wordcross: That's how the crossword used to be called originally. Wordplay: The secondary means of getting the answer in a Cryptic Clue.