Job description: A document analysing and describing the key features of each job in the museum, including its purpose, conditions of employment, key tasks and main responsibilities. These are very important in both the process of recruitment of staff, and in day-to- day management of existing staff.

Legal title: Legal right to ownership of property in the country concerned. In certain countries this may be a conferred right and insufficient to meet the requirements of a due diligence search.

Loan-in: The temporary loan of an artefact or collection from another museum, institution or individual to this museum, without a change of ownership.

Loan-out: The temporary loan of an artefact or collection from this museum to another museum, institution or individual, without a change of ownership.

Lux (abbreviation: lx): the metric (SI) unit of light intensity: I lux is 1 lumen per square meter. The light exposure of an individual museum object or work of art it now recorded as the intensity of illumination in lux multiplied by exposure time in hours. This longer-term exposure can be expressed Mega lux hours: one million lux hours (Mix/h).

Market definition: Effort by the organization to determine and define which particular segment(s) of the market its operations, services, or products should be serving.

Marketing: The process of planning and executing the conception, pricing, promotion and distribution of ideas, goods and services to create the exchanges processes that satisfy individual and organisational objectives.

Marketing mix: This describes all the marketing tools the museum uses to achieve the marketing objectives. A common way of sorting the marketing mix is based on E. Jerome McCharty's "4Ps of Marketing": Product, Price, Promotion and Place. The "4Ps" emphasise that everything from shaping the product to the promotion is marketing.

Market segmentation: Dividing the market in e.g. geographical and/or demographical segments to sort out segments where the museum has optimal opportunities. These segments can then be chosen as target groups.

Minimum standard: A standard to which it is reasonable to expect all museums and museum personnel to aspire. Certain countries have their own statements of minimum standards.

Mission statement: A brief statement that summarises; the museum's reason for existence, typically including: who we are, what we do, for whom we do it, and why.

Museum: See the ICOM Code of Professional Ethics, Appendix 1.

Museum professional: See the ICOM Code of Professional Ethics, Appendix 1.

Museum security: The immediate capacity of a museum to fulfil one of its basic tasks, i.e. protect its employees, visitors, collections, other movable and immovable property and reputation.

Museum security system: Includes all technical means and organisational measures aimed at ensuring the required level of security.

Natural heritage: UNESCO defines the natural heritage as comprising natural features, consisting of physical and biological formations or groups of such formations, geological and physiographical formations which constitute the habitat of threatened species of animals and plants which are of outstanding universal value from aesthetic, scientific or conservation point of view, and natural sites or precisely delineated natural areas of outstanding universal value from the point of view of science, conservation or natural beauty.

Non-profit organisation: A legally established body, corporate or unincorporated, whose income (including any surplus or profit) is used solely for the public interest, typically for the benefit of that body and its operation. The term "not-for-profit" has the same meaning.