[quote=@Stabby]
<Snipped quote by Meta>

*Sighs deeper.*
Ok, so existence is basicly what every dimension that exists is contained within. Your home dimension and it's sub-dimensions are included in this. There are dimensions that know about existence and those that don't. As part of the people that now travel, or at least will at some point, existence, you should follow a generally held rule and avoid revealing existence to the dimensions that don't know of it. Beyond that, exploring it yourself and asking around is going to net you far more info then I could ever tell you about.
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Why should it matter who we tell?