This contribution to the XXVII Symposium on Multiparticle Dynamics hel
d in Frascati, Italy, September, 1997 consists of the following subjec
t matter: 1. Introductory generalities. 2. Brief mention of some of th
e contributions to the meeting. 3. More extended discussion of a few s
pecialized topics. 4. Discussion of the FELIX initiative for a QCD det
ector at the LHC.