Match each e$-$commerce concept with its accurate description.

Pixel$-$based retargeting

Payment gateway

Integrated payment processing

Enabling cache

A$.$

allows a visited page to be stored in a site visitor's browser for faster reloading if they return to it

B$.$

Confirms or declines a payment transaction on the e$-$commerce marketer's site

C$.$

Requires audience member not clearing past browsing behavior data collected by cookies

D$.$

Customer payment is managed on the e$-$commerce marketer's platform$/$site$.$