On the left side of the Song Info page is information that applies to your whole map. See Beat Saber Metadata Criteria for standards on presenting complex song names and multiple artists.
Special characters such as those found in, Japanese (日本語/にほんご), Kaomoji (٩(◕‿◕。)۶), Chinese (汉语/漢語), Arabic (اَلْعَرَبِيَّةُ), and accented characters (Ä/é/õ/Æ/ø/ß/Œ/Ð/ƒ) are not fully supported by BeatSaver. Using these characters in song metadata or in bookmarks will cause problems.
Song Name: The primary name of the song
Sub Name: Any following tags like (Short Ver.), (SDVX Mix), etc.
Song Author: The person or group who authored the song
Creator: This is YOU! It's recommended you list your name the same as your BeatSaver username
Preview Start Time: Position in the song file, in seconds, of the start of the in-game menu song preview. Defaults to 12s
Preview Duration: Duration, in seconds, of the in-game menu song preview. Defaults to 10s
Beats Per Minute: The tempo of the song. It's critical to get this right before you start. See Basic Audio Setup for guidance
Song Time Offset: Shifts the song forward in time by this amount. (This is generally not needed if you followed the steps in Basic Audio Setup properly.)
Cover Image: The name of the image file (including the extension) you have placed in CustomWIPLevels > [Song Folder]. Must be perfectly square and at least 256 px
Audio File: The name of the song file (including the extension) you have placed in CustomWIPLevels > [Song Folder]. Recommended to just name it song.ogg to avoid the pitfalls of special characters
Environment: A dropdown menu of the default environments or platforms available. See Basic Lighting Practices for an overview of these environments
Custom Platform: The copy/pasted name of a custom platform from ModelSaber
The Save button commits all of your metadata to the Info.dat file.
The Create Zip button will make a .zip of everything required for uploading to Beatsaver. The Open Explorer button will open your song folder in Windows Explorer. This will help you confirm that you have your files in the right spot.