I dont understand HR , if you do may be it help
https://en.wikipedia.org/wiki/HR_(girl_group)

Update :

Computing

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, an HTML element that creates a "horizontal rule" or dividing line
.hr, Internet country code top-level domain (ccTLD) for Croatia
HR (software), a program that automatically forms mathematical theories by searching for sequences of numbers
Half Rate (HR or GSM-HR), a speech coding system for GSM developed in the early 1990s