Picking the right tyre for YOUR gravel

Theres no such thing as gravel. Or, rather, theres no such thing as a single conception of what gravel is. It exists on a kind of shifting scale, defined by where you live, what your appetite for adventure is, and the capabilities of your bike and the tyres it runs. What you call gravel might be another persons singletrack. Another persons gravel might be your road cycling. We each know what gravel is when we see it but the problem is that we also each see it through a different lens. When talking gear for gravel, its easy to run into similar deficiencies in definition. Is a gravelappropriate tyre a 70028 slick A 70035 semislick A 65047 knobbly And what about bikes are your horizons opened up enough by a bigclearance road bike If so, how big is that clearance, exactly Are disc brakes mandatory What does the geometry look like Are the wheels 700c or 650b Can the frame fit both Is it suspended or rigid Do you need an allroad bike, a gravel bike, an adventure bike and wh