The difference between the signified/signifier relation should be thought of in terms of differ`ance. This differ`ance represents a temporal and spatial difference that powerfully restructures notions of identity and alterity.
John Phillips No Date [Derrida and Deconstruction, Associate Professor In The Department of English Language and Literature, U of Singapore, http://courses.nus.edu.sg/course/elljwp/deconstruction.htm]
"Différance is a term ... We need to explore this logic further"
Critical recognition of the unsayable is necessary. Saying the unsayable is kritical to understanding the the construction of language and is necessary to recognizing the absent attributes of meaning. Failure to critically recognize the absent or unspoken differences means there is no way to recognize the unsayable.
John Phillips No Date [Derrida and Deconstruction, Associate Professor In The Department of English Language and Literature, U of Singapore, http://courses.nus.edu.sg/course/elljwp/deconstruction.htm]
"Let me put the implications ...historical reasons) writing"
Understanding the present absence is necessary to understand the entirety of ontological construction. Being itself is constructed upon an understanding of presence, but this presence can only coexist in terms of absence. This necessitates an understanding of absence to understand existence.
John Phillips No Date [Derrida and Deconstruction, Associate Professor In The Department of English Language and Literature, U of Singapore, http://courses.nus.edu.sg/course/elljwp/deconstruction.htm]
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The following paragraphs present a commentary ... political and practical realms of intellectual life. "