"Custom text" refers to text or written content that is specifically created or designed to suit a particular purpose or individual. It is personalized or tailor-made rather than something generic or standard. Full definition
Adding custom text create the ultimate personalised gift / accessory for the holiday season. (digitalsignagenews.eu)
Print your own shirt with custom text, designs, or photos. (myintimcity.com)
There are dozens of great text messaging apps out there, but all of our favorites support custom text tones on a per - conversation basis. (androidcentral.com)