Growth Marketing Glossary

Sequence

se·quencenoun

Steps in a deliberate order — the automated email or onboarding series that does the right thing at the right time. And the verb for arranging that order.

triggerordered stepssequence
Schematic — an ordered series of steps triggered in turn
Term
Sequence
Is
An ordered series of steps
Common in
Email, lifecycle, onboarding automation
Read with
Drip campaign, nurture, automation

Parts of speech & senses

sequence · noun
  1. An ordered series of steps that follow one another in a set order — for example an automated email or messaging sequence triggered by an action. "The welcome sequence sends five emails over ten days."
  2. A particular order in which related things follow one another.
sequence · verb
  1. To arrange things into a particular order. "They sequenced the onboarding steps by difficulty."

Forms, tenses & usage

Inflections & tenses: plural sequences · verb sequence / sequences / sequenced / sequencing
Common phrases & collocations: email sequence, welcome sequence, nurture sequence, onboarding sequence, in sequence, drip sequence
Register & usage: Standard in lifecycle marketing and everyday English ('a sequence of events').
Related forms & abbreviations: sequencing (noun), sequential (adjective)

What a sequence is

In lifecycle and email marketing, a sequence is a series of messages sent in a deliberate order, usually triggered by an action and spaced over time — a welcome sequence when someone signs up, a nurture sequence after a lead is captured, a re-engagement sequence when activity lapses. Unlike a one-off broadcast, a sequence unfolds: each step builds on the last and is timed to meet the user where they are in their journey.

The power of a sequence is relevance through order and timing. Because the steps run automatically once triggered, a well-built sequence delivers the right message at the right moment to thousands of people without manual work — which is why sequences are the backbone of marketing automation.

How sequences are used and designed

Good sequences are designed around a goal and the user's state, not just a calendar. A welcome sequence aims to activate (get the user to their first value); a nurture sequence aims to educate and build trust until a lead is sales-ready; an onboarding sequence sequences steps so each one prepares the user for the next. Timing, order, and branching (different paths based on behavior) are the levers.

The discipline is sequencing for the journey, not the sender's convenience. Sequences fail when they fire regardless of what the user has already done (welcoming someone who already bought), when the order ignores dependencies, or when they keep sending after the goal is met. The best sequences adapt to behavior and stop when they should.

Sequence as a verb and other senses

As a verb, to sequence is to arrange things into a particular order — sequencing onboarding steps, sequencing a campaign's phases. It names the act of deciding what comes first, next, and last.

Sequence keeps its general sense of a defined order in many contexts — a sequence of events, a film sequence, a DNA sequence. All share the idea of elements following one another in a set order.

Worked example. A team sets up a welcome email sequence that fires the same five messages to everyone who signs up — including people who immediately complete the action the sequence is trying to drive. New customers who already activated keep getting nudged to do what they've done, which feels broken and erodes trust. Rebuilding the sequence around the user's state, the team adds branching so the messages respond to behavior — congratulating and advancing those who acted, nudging only those who haven't, and stopping once the goal is met. The same automation now feels personal and timely. The lesson: a sequence's value is in order and timing matched to the user's journey — fired blindly, it talks past the very people it's meant to help. (Illustrative; RGM analysis.)
Failure modes to watch. Firing a sequence regardless of what the user has already done; ordering steps without respecting dependencies; continuing to send after the goal is met; designing around the sender's calendar instead of the user's state; and building a rigid sequence with no branching for different behaviors.

Synonyms & antonyms

Synonyms

email sequenceseriesdrip

Antonyms

one-off broadcastsingle sendunordered

Origin & history

"Sequence" comes from the Latin sequentia, "a following" (from sequi, "to follow"). The word kept its core meaning of things that follow one another in order, from a sequence of events to an automated series of messages.

Etymology: source.

Usage trends

Search interest for this term over the last five years:

View interest-over-time on Google Trends →

Common questions

What is a sequence in marketing?
An ordered series of steps — most often an automated email or messaging sequence triggered by an action and spaced over time, such as a welcome, nurture, or re-engagement sequence.
Is sequence a noun or a verb?
Both. As a noun it is an ordered series of steps (or a particular order). As a verb, to sequence is to arrange things into a particular order.
How is a sequence different from a broadcast?
A broadcast is a single message sent to a list at once; a sequence is a series of messages that unfold in a set order over time, usually triggered by a user's action and timed to their journey.

Resources & people to follow

Curated, non-competitor resources verified per term.

Related training

Disciplines

Areas of marketing where sequence is a core concern:

Sources

  1. trendsGoogle Trends — "email sequence"