1. A computer-readable medium for remotely executing operations of an application that is provided through a computing device, the computer-readable medium carrying instructions, that when executed by one or more processors, cause performance of operations comprising: (a) accessing a schema that logically represents a nodal hierarchy relating to execution of an application, the hierarchy including multiple nodes, including one or more category nodes and one or more content nodes; (b) providing, with the schema, an executable script that is associated with at least one node of the hierarchy; (c) processing a user input from the computing device using the schema, the user input being selective of one or more nodes of the hierarchy; (d) in response to processing the user input, providing user interface content to the computing device, the user interface content corresponding to one of (i) one or more nodes, or (ii) a script content, generated as an output of an executed script that is associated with a selected node.