Hi Karthikeyan,

I hope you are doing well :)

I understand that you want to customize card label and description. 

Please navigate to Portal > Pages > Portal Home and make the text modification under the respective class.

Example: To modify text for the card :  “Browser articles” 

Have added a screenshot for your reference,

Before change,

After change,

Feel free to respond to this thread for any queries :)

Thank you