Dimensional Time
The easiest way to equate a timeline or a time grid is also to recognize that is also a dimension. The Higher dimensions that we are moving into represent future time and space.
Reference
What is Ascension? Ascension Class 1 (2007) (Transcript)
Also:
As we move up the dimensional octaves (or scale) to higher frequency, we also become conscious of future time. Moving through octaves of dimensional frequencies is synonymous with moving forward in time.
References
Term first found: Page 57, HGS Manual