Design of communication systems; design of computer software; computerised business information storage; computerised data storage services; design of computer databases; development of computer software; information technology (it) services (computer hardware, software and peripherals design and technical consultancy); maintenance of computer records; creating indexes of online websites and information sources; provision of hyperlinks on a website; provision of hyperlinks to other websites; provision of links to other websites; computer software design; computer software development; design and development of computer software (for others); design of computer software; development of computer software; development of computer software application solutions; online provision of web-based software; rental of computer software