The assembling of a presentation for a user by processing selected sub-component parts method using structuring inputs into a plurality of sub-component parts in an ordered-linear, wherein each of the sub-component parts contain change data. The sub-component parts are comprised of a reference that provides a link to one of: another one of the sub-component parts and a position in presentation data. The change data provides information on how to modify a part of presentation data responsive to the associated. The presentation data is assembled using the sub-component parts for a selected set of sub-component parts from the non-transitory memory responsive to said change data and the associated said reference. The presentation is viewed by a user responsive to the presentation data.