Growth
Referral
A new customer who came because an existing one recommended you. Usually your cheapest and highest-quality source of growth.
Example
Giving both sides ₹200 credit for a successful referral turns happy users into a growth channel.
Related terms
CAC
The average amount you spend to win one new paying customer — all your marketing and sales costs divided by how many customers that money brought in.
Virality (K-factor)
How much your users bring in new users by themselves. A K-factor above 1 means each user brings more than one new user — organic, self-fuelling growth.
Network Effect
When your product becomes more valuable to each user as more people join.
Building a startup?
Base 91 Hub takes founders from idea to launch — tracker, community, AI toolkit and this dictionary, built in.
Create your account