For questions about Venn diagrams.

`QListView` is a UI control part of the Model/View architecture of the Qt Framework.

Flow layout places components left to right and then top to bottom, allocating just enough place for each component.

django-validation refers to form and field validation tools provided by Django out of the box

JMenuItem is an implementation of an item in a menu. A menu item is essentially a button sitting in a list. When the user selects the "button", the action associated with the menu item is performed.

ExpandoObject is a .NET type whose members can be added and removed at runtime.

Used to display the options of a application on android devices, this can be at the bottom of the application when the menu-button is pressed or in the overflow-menu of the actionbar.

Custom Add-on / Plugins for the Titanium Platform written in Obj-C (iOS), Java (Android) or Javascript. Functions and features not included in the standard Titanium API.

IBM Cognos Business Intelligence is a web-based, integrated business intelligence suite by IBM.

Amazon CloudSearch is a fully-managed search service in the cloud that allows customers to easily integrate fast and highly scalable search functionality into their applications. With a few clicks in the AWS Management Console, developers simply create a search domain, upload the data they want to make searchable to Amazon CloudSearch, and the service then automatically provisions the technology resources required and deploys a highly tuned search index.