**Cattribute** [[Genes]] in the active slot can give the kitty a [cattribute](/cattributes). Not all genes appear as a cattribute and sometimes different genes can result in the same cattribute (e.g. totesbasic). **Clock Stop** Refers to the period after which no more generation 0 [[CryptoKitties]] will be released. **CryptoKitties Core** [CryptoKitties Core](/cryptokitties/cryptokitties-core/) refers to CryptoKitties as it relates to an organization and business. **Exclusive Cat** An [exclusive cat](/exclusives) is a kitty with special artwork, which is given as an award instead of using a recipe (*see Fancy Cat*) **Fancy Cat** A [fancy cat](/fancies) is a kitty with special artwork, created by having the correct traits from a secret recipe. **Gas Price** Every game action requires sending an [[Ethereum]] transaction. This costs a small fee. The size of the fee is determined by the gas price. The higher the gas price, the faster the transaction will be confirmed. **Gene** Each kitty is born with 48 [[genes]], 12 of which are primary genes and the other 36 are hidden. Genes are passed on to kittens when breeding and can affect the appearance of the kitty. **Kitty Clock** Refers to the name of a specific wallet address under control of CryptoKitties core team. (i.e. `⏱ Kitty Clock ⏱` - `0x06012c8cf97bead5deae237070f9587f8e7a266d`) **Primary Gene** Each kitty has 12 primary [[genes]]. Primary genes are the only genes that can give the kitty a visible [cattribute](/cattributes). ** Recipe ** A set of [[cattributes]] required for a specific visual look or to obtain a fancy. **Trait** A trait is another word for a [cattribute](/cattributes). **Trait Category** There are twelve trait categories. Examples are "environment", "eye colour", etc. Two of the categories are still unknown. A list of all the trait categories can be found [here](/cattributes).