What "other remote directories"? The command synchronizes the only directories you specify.

Or do you mean subdirectories of the "specific remote directory"?
For that, see https://winscp.net/eng/docs/faq_script_non_recursive

Is there a way to use the synchronize command to only download from a specific remote directory and ignore other remote directories? I want to use the synchronize command because it will allow me to skip over the files that already exist on the local computer. Thanks in advance for your help.