• Accordion - A navigational device which presents a hierarchical set of items in which only a single branch of that hierarchy is exposed at one time.
  • Action Button - A UI control allowing users to trigger actions by clicking, tapping, or pressing a corresponding - key on a keyboard, such as “Enter.”
  • Activation - The manner in which users invoke an action on the currently selected object(s).
  • Alarm - The most critical alert category. Indicates that a condition exists which requires immediate operator action.
  • Alert - Indication of a condition regarding people, systems or the mission, categorized into alarms, warnings, events and informational messages.


  • Button - A Button allows users to trigger actions by clicking, tapping, or pressing a corresponding key on a keyboard, such as “Enter.”


  • Checkbox - A Checkbox allows a user to select a value from a small set of options.
  • Close Button - A UI component that, when activated, dismisses a Dialog Box.
  • Container - An object that holds other objects.
  • Concept Sketch - A sketch on paper that lays out the main Content Workspace and controls and clarifies the flow of user interaction from screen-to-screen.


  • Default Action - The action that users would most likely want to execute in the window with focus.
  • Dialog Box - A Dialog Box interrupts app processing to prompt a user to confirm an action or acknowledge a piece of information. It displays information along with a set of buttons allowing users to accept or cancel the actions presented within the Dialog Box.
  • Select Menu - A UI control that allows users to select a value from a list of values.


  • Global Controls - Display top-level system and equipment status throughout Astro Applications.
  • Global Status Bar - A full width view across the top of an application that displays the overall health and status of a system.
  • Grip Handle - The part of a movable menu bar or toolbar that, when dragged, detaches the control and displays it in a separate window.


  • Label - Text or a graphic that identifies an object or control.
  • Link - A link (also known as a hyperlink) is a clickable text element. The link control is used for navigation, but can also trigger an event.
  • Logs - A tabular representation of application events and may include username, priority, equipment type, signal type, etc.


  • Menu - A list of options from which users choose. The options can execute commands, display a window (to request more information from users) or submenu and specify settings.


  • Navigational Tabs - Divide major areas of content and to indicate a work process.
  • Notification System - A system which generates, prioritizes and displays event notifications for significant occurrences within an application and its associated systems and hardware.


  • Pagination - The process of dividing content for display on multiple pages. It is utilized when content, such as - Search results, does not fit onto one page and must be split across multiple pages.
  • Pop-Up Menu - A menu provides users with a quick way to access common actions for a highlighted item.
  • Push Button - A control that initiates an action.


  • Radio Button - Allows users to mutually select an option from a predefined set of options. When one selection is made, the previous selection becomes deselected.


  • Search - A specialized text field for entering Search terms.
  • Segmented Button - Allows users to select one item at a time from two to four options.
  • Slider - A graphical control element that allows users to choose from a range of continuous and discrete values.
  • Status Indicator - Indicates the state of a device or feature in a standard and consistent way using color, shapes, labeling and badging.
  • Symbols - A graphical representation or glyph associated with actions, concepts or objects such as an asterisk.


  • Tables - A UX design mechanism comprised of rows and columns used for displaying content.
  • Timeline - Displays event information within a specified time period.
  • Title Bar - A component that displays the name for a table or window.
  • Toggle - A switch which describes a state or value. It allows users to change a setting between two states such as “On and Off.
  • Tree - A list box that displays the hierarchical relationship among the objects in the list.


  • Validation - Ensures that data is properly entered into an Input Field or Form. It alerts users to data errors, required input and prompts them to make corrections.


  • Wireframe - A page schematic or screen blueprint that represents the skeletal framework of a Web page or Web site.