The description of movement of an aircraft both in the air and on the ground including position, time, and at least via calculation, speed and acceleration.
1. ICAO (2003) AN-CONF/11-WP/4 The Global ATM Operational Concept
2. SESAR Concept of Operations Step 2 Edition 2014 (Ed. 01.01.00)
Lexicon Release 2015.1