Azure storage account is not equal to Azure storage.
An Azure storage account contains all of your Azure Storage data objects, including blobs, file shares, queues, tables, and disks. The storage account provides a unique namespace for your Azure Storage data that's accessible from anywhere in the world over HTTP or HTTPS. Data in your storage account is durable and highly available, secure, and massively scalable. Azure offers several types of storage accounts - Standard general-purpose v2, Premium block blobs, Premium file shares, Premium page blobs.
Azure Storage is a Microsoft-managed cloud storage service, that provides highly available, durable, scalable and redundant storage, at a fraction of the cost, if you were to manage it manually. In this blog on Azure Storage, you will learn the different storage offerings from Azure such as tables, blobs, file storage and queues!