Every materially adequate explication of the concepts ``picture''and ``the pictorial'' has to appeal to syntactical properties.From the available definitions, a conception of syntax is extractedthat is applicable to symbol systems of any sort. Against thisbackground, it is shown that a non-semantical characterization ofthe pictorial is mandatory. Finally, specific syntactical featuresare explicated that recommend themselves as necessary conditions forthe application of the concept of a picture.