---
title: "API Workflow glossary"
slug: "apiworkflow-glossary"
tags: ["API Workflow"]
updated: 2026-09-17T09:23:53Z
published: 2026-09-17T09:23:53Z
canonical: "guide.ncloud-docs.com/apiworkflow-glossary"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# API Workflow glossary

Available in Classic and VPC

There are a few terms you need to know to use API Workflow. The terms and their descriptions are as follows.

### AWS Signature

Signature authentication information that can access the API provided by AWS

### Cron expression

A regular expression used when setting the scheduler time It consists of 7 fields, and represents second, minute, hour, day, month, day of the week, and year, in that order.

### Entity

The smallest unit that comprises a workflow

### NCP Signature

Signature authentication information that can access the API provided by NAVER Cloud Platform

### Property

A variable that can be commonly accessed within a workflow

### Sub Account

A service that grants detailed permissions to the sub accounts so that multiple managers can operate and manage the same resources together.

### Webhook

The URL to receive notifications when specific events occur

          Note

          

To see a full list of terms and definitions, go to [Glossary](https://www.ncloud.com/guideCenter/glossary) from the NAVER Cloud Platform portal.