Why do we see the message “This item not cached”

ARTIFACTORY: Why artifacts are not listing in tree view for my remote repository

AuthorFullName__c
Dinesh Kumar
articleNumber
000005377
ft:sourceType
Salesforce
FirstPublishedDate
2022-08-21T13:39:58Z
lastModifiedDate
2022-08-21
VersionNumber
6

When browsing the contents of a repository on selecting few artifacts, we might see a message “This item is not cached” as shown below. 

User-added image
This indicates that this artifact is not yet downloaded via Artifactory from upstream registry. Once we download the same artifact, this informative message will disappear.