Substring and Type

noun

• A string that is part of a longer string. .

noun

• A subdivision of a particular kind of thing.
  • usage: "what type of sculpture do you prefer"
• A person of a specified kind (usually with many eccentricities. )
  • usage: "a real character"; "a strange character"; "a friendly eccentric"; "the capable type"; "a mental case"
  • synonyms: character, eccentric, case
• Biology) the taxonomic group whose characteristics are used to define the next higher taxon. (
• Printed characters.
  • usage: "small type is hard to read"
• All of the tokens of the same symbol.
  • usage: "the word `element' contains five different types of character"
• A small metal block bearing a raised character on one end; produces a printed character when inked and pressed on paper.
  • usage: "he dropped a case of type, so they made him pick them up"

verb

• Write by means of a keyboard with types.
  • usage: "type the acceptance letter, please"
  • synonyms: typewrite
• Identify as belonging to a certain type.
  • usage: "Such people can practically be typed"
  • synonyms: typecast

• (n.) A simple compound, used as a mode or pattern to which other compounds are conveniently regarded as being related, and from which they may be actually or theoretically derived.
• (n.) Form or character impressed; style; semblance.
• (n.) Such letters or characters, in general or the whole quantity of them used in printing, spoken of collectively; any number or mass of such letters or characters, however disposed.
• (n.) The mark or impression of something; stamp; impressed sign; emblem.
• (n.) A raised letter, figure, accent or other character, cast in metal or cut in wood, used in printing.
• (v.t.) To represent by a type, model or symbol beforehand; to prefigure.
• (v.t.) To furnish an expression or copy of; to represent; to typify.
• (n.) The original object or class of objects, scene, face or conception, which becomes the subject of a copy; especially, the design on the face of a medal or a coin.
• (n.) That which possesses or exemplifies characteristic qualities; the representative.
• (n.) A figure or representation of something to come; a token; a sign; a symbol; -- correlative to antitype.
• (n.) A general form or structure common to a number of individuals; hence, the ideal representation of a species, genus or other group, combining the essential characteristics; an animal or plant possessing or exemplifying the essential characteristics of a species, genus or other group. Also, a group or division of animals having a certain typical or characteristic structure of body maintained within the group.

Type is the classification of an option contract as either a put or a call.