The word "bare" has multiple meanings depending on its context.
1) Without anything covering it or supporting it; naked, uncovered, exposed. For example: The tree was bare in winter because all its leaves had fallen off.
2) Devoid of ornamentation or decoration; plain, simple, unadorned. For example: She wore a white dress with no jewelry, keeping the focus on her bare beauty.
3) Exposed to view without anything intervening; visible, observable, apparent. For example: The moon was barely visible through the clouds.