A pet is a household animal kept for companionship and a person's enjoyment, as opposed to livestock, laboratory animals, working animals and sport animals which are kept for economic reasons. The most popular pets are noted for their attractive appearances and their loyal or playful personalities. Their pedegree may also be a factor.

In some cases pets may also provide their owners with benefits, such as providing companionship to elderly adults who do not have adequate social interaction with other people. While some people believe in the physical and emotional benefits of owning a pet, scientists are currently working to verify these ideas with medical studies. There is now a medically-approved class of "therapy animals," mostly dogs, that are brought to visit confined humans. Pet therapy utilizes trained animals and handlers to achieve specific physical, social, cognitive, and emotional goals with patients. Walking a dog can provide both the owner and the dog with exercise, fresh air, and social interaction.

A collective is a group of entities that share or are motivated by at least one common issue or interest, or work together on a specific project(s) to achieve a common objective.^{[citation needed]} Collectives differ from cooperatives in that they are not necessarily focused upon an economic benefit or saving (but can be that as well). There may be some issues with meaningfully describing the qualities of a collective.

Collectives are sometimes characterised by attempts to share and exercise political and social power and to make decisions on a consensus-driven and egalitarian basis.

A commune or intentional community, which may also be known as a "collective household", is a group of people who live together in some kind of dwelling or residence, or in some other arrangement (e.g. sharing land). Collective households may be organized for a specific purpose (e.g. relating to business, parenting, or some other shared interest).

The term "collective" is sometimes used to describe a species as a whole—for example, the "human collective."

Miley Ray Cyrus (born Destiny Hope Cyrus; November 23, 1992) is an American actress and pop singer-songwriter. She achieved wide fame for her role as Miley Stewart/Hannah Montana on the Disney Channel sitcom Hannah Montana.

Cyrus recorded music for the soundtracks, Hannah Montana (2006) and Hannah Montana 2/Meet Miley Cyrus (2007), released by Walt Disney Records. With the success of the Hannah Montana franchise she established herself as a teen idol. In 2007, Cyrus signed to Hollywood Records to pursue a solo career. She embarked upon the Best of Both Worlds Tour the same year, in which she performed as both herself and in character as Hannah Montana. The tour was eventually turned into a high-grossing concert film titled Hannah Montana & Miley Cyrus: Best of Both Worlds Concert (2008). In July 2008, Cyrus released her first solo album, Breakout (2008), which was commercially successful.

She began her foray into film by providing the voice of "Penny" in the animated film Bolt (2008). Cyrus earned a nomination for the Golden Globe Award for Best Original Song for her performance of Bolt's theme song, "I Thought I Lost You". She also reprised her role as Miley Stewart/Hannah Montana in Hannah Montana: The Movie (2009). The Hannah Montana: The Movie' soundtrack introduced her to new audiences within country and adult contemporary markets.

Harold Allen Ramis (born November 21, 1944) is an American actor, director, and writer, specializing in comedy. His best-known film acting roles are as Egon Spengler in Ghostbusters (1984) and Russell Ziskey in Stripes (1981), both of which he also co-wrote. As a writer/director, his films include the comedies Caddyshack (1980), Groundhog Day (1993), and Analyze This (1999). Ramis was the original head writer of the television series SCTV (in which he also performed), and one of three screenwriters for the film National Lampoon's Animal House (1978).

Ramis was born in Chicago, Illinois, the son of Ruth (née Cokee) and Nathan Ramis, shopkeepers who owned the store Ace Food & Liquor Mart on the city's far North Side. He had a Jewish upbringing, although in his adult life he does not practice any organized religion. He graduated from Nicholas Senn High School in Chicago, and, in 1966, from Washington University in St. Louis, Missouri, where he was a member of the Alpha Xi chapter of Zeta Beta Tau fraternity.^{[citation needed]}