a sequence of related events arranged in chronological order and displayed along a line (usually drawn left to right or top to bottom)
"The project manager updated the timeline to show how each milestone would be achieved from start to finish."
A graphical representation of a chronological sequence of events (past or future); a chronology.
"The project manager created a detailed timeline to visualize the entire schedule from conception to launch."
In plain English: A timeline is a straight line that shows events happening from past to future.
"The project manager created a detailed timeline to show when each task would be completed."
Usage: Use this word to describe any visual chart that displays events in order from past to present, such as project schedules or historical overviews. It is often confused with "timetable," but unlike a timetable which lists specific times for recurring tasks, a timeline focuses on the sequence and duration of distinct occurrences.
To analyse a sequence of events or activities.
"The manager used a timeline to analyze the entire sequence of project delays and identify where communication broke down."
In plain English: To timeline something means to schedule it by putting events on a specific order of time.
"The project manager will timeline the entire construction process to ensure we meet the deadline."
From time + line.