The ether functional group does not have a characteristic IUPAC nomenclature suffix, so it is necessary to designate it as a substituent. To do so the common alkoxy substituents are given names derived from their alkyl component (below):
Rational Rhapsody, a modeling environment based on UML, is a visual development environment for systems engineers and software developers creating real-time or embedded systems and software.
User interface (UI) is a broad term for any system, either physical or software based, that allows a user to connect with a given technology. Many different kinds of user interfaces come with various devices and software programs. Many of them have some basic similarities, although each one is unique in key ways.