Support Industry Glossary

The Language of
High-Performance
Support

Understand the metrics, systems, and operational concepts that drive
scalable support organizations—so you can make better decisions,
improve performance, and lead with confidence.
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Learn the language behind high-performing support teams, from
core metrics to operational frameworks, so you can align your team,
optimize workflows, and improve the customer experience.

Core Support Metrics

AHT (Average Handle Time)

The average time spent handling a customer interaction. Useful—but dangerous when over-prioritized at the expense of quality.

ART (Average Resolution Time)

The average time it takes to fully resolve a support request. A key indicator of operational efficiency.

Backlog

The number of unresolved tickets at any given time. A growing backlog is rarely a staffing issue—it’s usually a process issue.

CES (Customer Effort Score)

Measures how easy it was for a customer to resolve their issue. Often more predictive than CSAT.

CSAT (Customer Satisfaction Score)

A post-interaction measure of customer satisfaction. Widely used, frequently misunderstood.

FRT (First Response Time)

The time between ticket creation and the first agent response. One of the most visible—and overemphasized—metrics.

NPS (Net Promoter Score)

Measures customer loyalty and likelihood to recommend. Better used for trend analysis than operational decisions.

SLA (Service Level Agreement)

A formal commitment to response or resolution times. Often customer-facing.

SLT (Service Level Target)

Internal performance targets that support or exceed SLA commitments.

TTR (Time to Resolution)

Total time required to resolve a ticket. Often used interchangeably with ART.

Support Operations & Structure

Deflection

Reducing inbound ticket volume through self-service, automation, or better product design.

Escalation

Moving a ticket to a higher level of support. A necessary function—when controlled.

Help Center / Knowledge Base (KB)

Customer-facing documentation designed to reduce support dependency.

Macros / Canned Responses

Prewritten responses that improve speed and consistency—when used thoughtfully.

Queue Management

The practice of monitoring and distributing ticket volume across teams.

Routing

Assigning tickets to the correct agent, team, or function.

Self-Service

Enabling customers to solve issues without contacting support. One of the highest-leverage investments in support.

Tier 1 / Tier 2 / Tier 3 Support

Structured support layers:

  • Tier 1: Frontline resolution

  • Tier 2: Advanced troubleshooting

  • Tier 3: Engineering-level support

Triggers & Automations

System-driven workflows that update tickets, notify teams, and enforce process consistency.

Customer Experience & Strategy

Churn

Customers who stop using your product. Support plays a direct role in preventing it.

Customer Journey

The full lifecycle of a customer’s interaction with your product and team.

CX (Customer Experience)

The cumulative perception of your brand across all interactions.

Retention

Your ability to keep customers over time. Support is one of the biggest drivers.

Upsell / Cross-sell

Expanding customer value through additional products or upgrades—often identified through support interactions.

VoC (Voice of the Customer)

Structured customer feedback used to inform product and operational decisions.

Workforce & Performance Management

Capacity Planning

Ensuring the team is staffed appropriately for demand. Most teams underinvest here.

Coaching

Ongoing development of agents through structured feedback.

Forecasting

Predicting future ticket volume based on historical data and trends.

Occupancy Rate

The percentage of time agents are actively engaged with tickets.

QA (Quality Assurance)

Reviewing support interactions to ensure consistency and quality.

Scorecard

A structured framework for evaluating agent performance.

Utilization Rate

The percentage of time spent on productive work versus idle time.

WFM (Workforce Management)

The discipline of staffing, scheduling, and performance optimization.

Process, Systems & Maturity

Continuous Improvement

Ongoing optimization of support processes, tools, and performance.

Incident Management

Structured handling of outages or service disruptions.

Root Cause Analysis (RCA)

Identifying the underlying cause of recurring issues—not just treating symptoms.

Standard Operating Procedure (SOP)

Documented step-by-step instructions for repeatable tasks.

Support Maturity Model

A framework used to assess how advanced and scalable a support organization is.

Financial & Business Impact

Cost per Ticket

The average cost to resolve a single support request.

Cost to Serve

Total cost associated with supporting customers.

ROI (Return on Investment)

The measurable impact of support initiatives.

Support as a Revenue Driver

A model where support contributes directly to retention, expansion, and growth—not just cost containment.

Advanced Terms

First Contact Resolution (FCR)

Resolving an issue in a single interaction.

Internal SLAs

Service expectations between internal teams.

One-Touch Resolution

A stricter version of FCR—no follow-ups required.

Ticket Hygiene

Maintaining clean, well-documented, properly categorized tickets.

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