Series are categorized as "Closed-Door Romance" or "Courtship Romance"

Courtship Romance: 

• Couples remain in the courtship phase throughout the plot.

• Light kissing only or no on- or off-page intimacy.

• Clean language throughout.

Closed-Door Romance:

• Most couples marry early in the plot.

• Sensual flirtation may occur with subtle references to marital intimacy.

• Lightly described kissing only with fade to black for intimate moments.

• Clean language throughout.