12. A system for editing an electronic presentation, comprising: a processor; a memory storing computer executable instructions, which when executed by the processor cause the processor to provide an electronic presentation editing interface for editing an electronic presentation, wherein the interface comprises: a digital canvas comprising a plurality of canvas objects in a plurality of canvas layers; a digital timeline comprising a plurality of timeline objects, a time axis, and a graphical indicia on the time axis that represents a pause in the electronic presentation, wherein: each canvas object in the plurality of canvas objects is linked to a respective timeline object; a position of a timeline object on the digital timeline is indicative of a time and a canvas layer that a linked canvas object is displayed on the digital canvas; the position of the timeline object includes a first time coordinate on the time axis indicative of when the linked canvas object appears in the digital canvas, a second time coordinate on the time axis indicative of when the linked canvas object disappears from the digital canvas, and a layer coordinate indicative of a canvas layer in which the linked canvas object appears in the digital canvas; the graphical indicia extends over all layer coordinates that are displayed in the digital timeline; and the digital timeline further comprises a marker on the digital timeline, wherein a position of the marker is indicative of a time corresponding to a current view of the digital canvas, and wherein when the position of the marker coincides with the graphical indicia on the time axis, each canvas obiect linked to a timeline object that coincides with the position of the marker is paused.
13. The system of claim 12 , wherein the interface is configured to receive an input from the user, the input indicative of a request to modify the second time coordinate of the position of the timeline object, wherein the linked canvas object disappears in the digital canvas at a time corresponding to the modified second time coordinate.