How to define a slot in footprint

How does a dimension like 2-Ø12X25L describe an oval hole? slot dimension in drawing Slots are narrow holes on machine parts that serve a variety of purposes Moreover, to be effective in their deployment, proper dimensioning is key when making slot action The follwing shall be observed where specifying millimeter dimensions used on drawings Metric Dimension Notes: Drawing must state the units used and

slot gratis novomatic DIMENSIONING The dimension line should be approximately 38” from the object and the extension lines should extend 18” beyond the