The surface of the Earth, the materials beneath, the air above and all things fixed to the soil

Process of determining, recording and disseminating information about the relationship between people and land.

Observed (bio)physical cover on the Earth’s surface

[GIS dictionary definition] LIS was a name originally applied for GIS systems specifically developed for property ownership and boundary records management.

Arrangements, activities and inputs people undertake in a certain land cover type to maintain it or produce change.

Any prominent natural or artificial object in a landscape used to determine distance, bearing, or location. A building or location that has historical, architectural, or cultural value.

Source: http://support.esri.com/en/other-resources/gis-dictionary/term/landmark

[remote sensing] Landsat is NASA/USGS mission spanning more than three decades and eight satellites with space-borne remote sensing capabilities of scanning land resources.

Last reflected signal that is detected by a 3D imaging system, time-of-flight (TOF) type, for a given sampling position and a given emitted pulse.

[coordinate system] Latitudes are spherical coordinates of Earth locations that vary in North-South directions. Lines of latitude are angles on the Earth’s surface which ranges from 0° at the Equator to 90° (North or South) at the poles.

Basic unit of geographic information that may be requested as a map from a server

Allowing the resource to be made available for a fixed period of time then returned

Application of a classification in a specific area using a defined mapping scale and specific data set

Class resultant from the application of a classification process.