Indicators: meaning, definitions and examples

Use 'indicators' in formal or technical contexts, especially when referring to data, performance metrics, or evidence of a certain state.

• The economic indicators suggest a slow recovery is underway.
• Environmental indicators show that pollution levels are decreasing.

Use 'markers' when referring to items or characteristics that serve as noticeable signs or symbols, often tangible or easily identifiable.

• Genetic markers can help identify inheritable diseases.
• Historical markers were placed to commemorate significant events.

Use 'signs' for general indicators or symbols that denote information, conditions, or instructions, suitable for everyday language.

• Dark clouds are a sign that it might rain soon.
• The neon sign outside the shop indicates it is open.

Use 'signals' when describing actions or events that convey a message or indicate a change, often in the context of communication or movement.

• The traffic lights changed to green, signaling it was safe to go.
• The teacher's raised hand was a signal for the students to be quiet.

Used to refer to measurable values or metrics that show the state or level of something, often in scientific, economic, or technical contexts.

• Economic indicators suggest the economy is improving.
• Key performance indicators help managers track business progress.

Best suited for indicating a distinctive feature or characteristic, often used in biological, medical, or geographical contexts.

• Blood markers can help diagnose certain illnesses.
• Markers were placed along the trail to guide hikers.

Commonly used to refer to indications or evidence of something, often visible or palpable, and usually in everyday language or health-related contexts. Can sometimes have a negative connotation when referring to warnings or symptoms.

• Dark clouds are a sign of an approaching storm.
• Coughing and fever are signs of an infection.

Used when referring to actions or sounds that send a message, often implying a communication or reaction; can also refer to electronic transmissions.

• The red light signals that you need to stop.
• Signals from space might hint at extraterrestrial life.

Used mainly in technical, scientific, or formal contexts to denote something that points out a condition or trend.

• Economic indicators suggest a recession might be coming.
• The indicators on the dashboard show a problem with the engine.

Often used to denote specific points of reference, either literal or figurative, which can be easily identified.

• The tree served as a marker for the entrance to the secret cave.
• Blood pressure can be a marker of overall health.

Used broadly in both informal and formal situations to indicate evidence or indications of something. Can be used with both physical and abstract notions.

• Signs of spring are everywhere.
• There are no signs of improvement in his health.

Typically used in communication or when discussing information being transmitted or received, whether signifying actions, statuses, or intentions.

• He gave the signal to start the operation.
• The traffic signals are not working properly.