<span><a id="lookup_control_details_timeline">Timeline</a></span> <br><span>A timeline, representing 4 weeks before and after the selected week, may accompany the symbol of the time range classification, and highlights the most recent filtered assignments.</span> <br><span>The closest assignments, independently of any filters, are displayed as an arc below (weekend) or above (midweek) the week's marker. The highlighted part of it represents the assignment's meeting section.</span> <br><span> Assisting or supplementary parts are displayed as outlined symbols.</span> 