42 Design, development, and consulting services related thereto in the field of creating light installations and lighting components for entertainment events, live and staged performances, live exhibitions, displays, lighting productions, and light shows; design and development of lighting controls and lighting playback controllers for lighting fixtures and lighting installations for use in indoor and outdoor lighting applications, architectural lighting applications, and visual entertainment applications; design and development of audio-visual and lighting controllers for use in themed entertainment and in architectural lighting; design and development of computer hardware, firmware and software for control apparatus for use in themed entertainment and in architectural lighting; design and development of lighting fixtures and lighting installations for architectural lighting, commercial lighting, display lighting, landscape lighting, street and walkway lighting and visual entertainment purposes; design and development of audio and video apparatus for use in themed entertainment and in architectural lighting; technical advice and support provided by engineers and technicians in relation to lighting control apparatus and to lighting apparatus, installations and systems; technical advice and support provided by engineers and technicians in relation to audio and video apparatus for use in themed entertainment and in architectural lighting; advisory, consultancy and information services relating to all the aforesaid services and design, development, and use of visualization technologies relating to 2D and 3D demonstrating of light show designs for a venue to customers and prospective customers either on-site or off-site the venue