We use what to ask questions and as a pronoun and determiner. … We can use what to ask for information about things and actions: … We can use what in informal situations to ask someone to repeat something if we don’t hear it or understand it: … We can ask emphatic questions using whatever or what on earth to express shock or surprise. Find definitions for over 300,000 words from the most authoritative English dictionary. Continuously updated with new words and meanings. Punctuation is the act or system of using specific marks or symbols in writing to separate different elements from each other or to make writing more clear. Punctuation is used in English and the other languages that use the Latin alphabet. Many other writing systems also use punctuation, too. Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives those most commonly encountered with Latin script. For a far more comprehensive list of symbols and signs, see List of Unicode characters. Punctuation marks are essential tools in English writing. They help us understand the meaning of a sentence clearly. Without punctuation, sentences become confusing or misleading. Learning punctuation marks helps English learners write correctly, communicate clearly, and improve their grammar. As well as the familiar equals sign (=) it is also very useful to show if something is not equal to (≠) greater than ( ) or less than ( ) These are the important signs to know: The less than sign and the greater than sign look like a V on its side, don't they? Some marks carry more than one name. The is called hash, pound, or number sign. The & is an ampersand, and the @ is the at sign. Names often shift between writing, coding, math, and music. The world's leading online dictionary: English definitions, synonyms, word origins, example sentences, word games, and more. A trusted authority for 25+ years! Popular and trusted online dictionary with over 1 million words. Find definitions, meanings, synonyms, pronunciations, translations, origin and examples. Symbols are an important part of our daily life and communication. They are small signs or marks that carry big meanings and are used in writing, mathematics, science, technology, and even on the internet. Each symbol has its own name and purpose, which helps us understand and share information quickly. For example, the @ symbol is used in email addresses, while the % symbol shows percentage.