Describing a Technology Stack
*A software technology stack is a set of software technologies.
*A software technology is a basic component necessary for operation of business applications. Software technologies include all basic software such as: application server, electronic mail server, software components for presentation, data entry, storage, business information sharing, operating systems, middleware, navigators, etc.
Accessing the list of technology stacks 
To access the list of software technology stacks from the Deployment navigation pane:
*Select Software Technologies > Technology Stacks.
The list of software technology stacks appears in the edit area.
Properties of a software technology stack 
The complete description of a software technology stack can be accessed from its property pages.
The Characteristics property page of a software technology stack provides access to:
its Name,
its Owner, by default, on creation of the software technology stack, the current library.
its Code,
the Comment text.
The property page provides access to the following sections:
Components which provides access to the list of concerned software technologies,
Responsibility,
Owned Realizations which represent the list of technical functionalities covered by this software technology stack.
*For more details on functionalities, see Describing functionalities with HOPEX IT Architecture.
*For more details on realizations, see Describing the fulfillment of a Functionality.