Develop Questions and Prepare Assets controls are practically the same as in a project under a Standard Item Bank. You can read more about Standard Item Bank items the Develop Items topic and about assets in the Prepare Assets topic.
A few other differences exist between items in a Standard Item Bank and a DT Item Bank. One such difference is found in the Rich Text editor toolbar, where a Dynamic Text scripts drop-down is provided in the DT Item Bank, while there is no such drop-down in the Standard Item Bank. This feature allows the user to embed predefined or custom scripts into an item. The drop-down appears at all instances of Rich Text editor such as Question Stems and Answer Options.