# Plain definitions, each with an example

Short, self contained definitions with an example each, written to be lifted out of the page. Marrow is in Beta and appears in one line at the end of each entry.

Each entry opens with the definition, gives an example, and says in one line how Marrow handles the term.

What is the difference between a personal CRM and a sales CRM?
A personal CRM is your own record of people and promises; a sales CRM is a company's record of accounts and deals. The difference, explained with an example.

What is a CRM?
A CRM, or customer relationship management system, is an organisation's shared record of customers, prospects and deals. A definition and an example.

What is a digital business card?
A digital business card shares contact details electronically, as a link, a QR code, a wallet pass or a tap, instead of on paper. Definition and an example.

What is a follow up?
A follow up is a message that continues a conversation you have already had, ideally carrying something you promised. Definition, timing and an example.

What is a keep in touch cadence?
A keep in touch cadence is a planned interval for contacting people in your network. Definition, typical tiers, and why an interval alone makes bad messages.

What is a personal CRM?
A personal CRM is a private record of the people you know: who they are, what was said and what you owe them. A definition, an example and related terms.

What is a warm introduction?
A warm introduction is a connection made by a contact both people trust, with consent from both sides. Definition, the double opt in, and an example.

What is contact enrichment?
Contact enrichment adds details to a contact record from an outside source, such as a public profile or a company website. Definition, limits and an example.

What is lead retrieval?
Lead retrieval is how exhibitors capture visitor details at a trade show or conference, for example by scanning badges. Definition, its limits and an example.

What is network mapping?
Network mapping lays out who you know and how they connect to companies, to each other and to the people you want to reach. A definition and an example.

What is relationship intelligence?
Relationship intelligence turns the history of your interactions into answers: who you know, how warm each tie is and what is open. Definition and example.

What is relationship memory?
Relationship memory is the record of what was said and promised between you and someone else over time, as distinct from contact data. Definition and example.

## Related

- [How Marrow works](/how-it-works)
- [Get the app](/download)
- [Facts](/facts)

Last updated 10 October 2026. Canonical: https://usemarrow.com/glossary