homogeneous subalgebra of a Lie superalgebra

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In the case of Lie superalgebras which are defined as $L=L_{\bar{0}} \oplus L_{\bar{1}}$, I am a bit confused about the term "homogeneous subalgebra". Does it mean that the subalgebra which is generated by, for instance, $A \subseteq X_{\bar{0}}$, where $ X_{\bar{0}}$ are generators of degree zero is a homogeneous subalgebra? Thank you for your time.